Ohio lawmakers voted Thursday to override Governor Kasich's veto on a self-defense gun bill Now, major changes will be coming to the way prosecutors handle self-defense cases and to gun laws across the state. House Bill 228 was once a "stand your ground" bill but turned into a self-defense bill after it received some opposition at the statehouse. Over the summer, anti-gun violence group Moms Demand Action went to the statehouse to try and stop the bill from passing.